Question about Sylvania 6620LF4 20 in. EDTV-Ready LCD Television

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Picture Washed out, Poor Color, Poor Contrast LCD Flat Screen. Looks like gassy CRT, Though picture is too poor to be sure, it looks like there is some noise (Snow) in the picture. Feeding a clean 1V P-P Video signal through Video 1 Input.

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6ya6ya
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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: Picture settings

The settings is on the remote (menu)

Posted on Jul 31, 2008

  • 158 Answers

SOURCE: Screen looks like a picture negative problem

Picture tube is weak. You can add a booster the Picture tube. I would replace the set.

Posted on May 28, 2009

freetek
  • 5568 Answers

SOURCE: I have a 3 year old lcd color 15" flat screen

I don't know if your set has a separate power supply but this sounds like the failure of a low-voltage circuit supplying power to the section which modulates the individual pixels on your display.
Sylvania is one of several names owned by Funai which is the worst of all Asian manufacturers.

Posted on Jul 04, 2010

  • 8457 Answers

SOURCE: My LCD sylvania flat screen

This problems is the Tuner board is dead.That the board,where the broscating in comming signal cable plug into it.Take ur tv aparts.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.

Posted on Sep 04, 2010

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